19630065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 39384576

約数和(自身を除く): 19754511

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 195, 197, 219, 273, 365, 455, 511, 591, 949, 985, 1095, 1365, 1379, 1533, 2555, 2561, 2847, 2955, 4137, 4745, 6643, 6895, 7665, 7683, 12805, 14235, 14381, 17927, 19929, 20685, 33215, 38415, 43143, 53781, 71905, 89635, 99645, 100667, 186953, 215715, 268905, 302001, 503335, 560859, 934765, 1308671, 1510005, 2804295, 3926013, 6543355, 19630065]

約数ペア:

[(1, 19630065), (3, 6543355), (5, 3926013), (7, 2804295), (13, 1510005), (15, 1308671), (21, 934765), (35, 560859), (39, 503335), (65, 302001), (73, 268905), (91, 215715), (105, 186953), (195, 100667), (197, 99645), (219, 89635), (273, 71905), (365, 53781), (455, 43143), (511, 38415), (591, 33215), (949, 20685), (985, 19929), (1095, 17927), (1365, 14381), (1379, 14235), (1533, 12805), (2555, 7683), (2561, 7665), (2847, 6895), (2955, 6643), (4137, 4745)]